Water ecology field research, Dr. Holen Credit: Penn State Expand Migratory bird field work, Dr. Hatch Credit: Penn State Expand Migratory bird field station, Dr. Hatch Credit: Penn State Expand Ecology class conducting field research with Dr. Hatch Credit: Penn State Expand Science student Kyle Walsh analyzes samples collected in a cave in Croatia, looking for undiscovered lifeforms. Undergraduate research under Dr. Bishop-Pierce Credit: Penn State Expand